1fd26ea847d2c3fe431322e42c54fb10024f06e61ce55aa14b162d95bb5bd2d1

General

Target
2.7.exe
Size 54KB
Sample260804-k6evrabq4v
SHA256 1fd26ea847d2c3fe431322e42c54fb10024f06e61ce55aa14b162d95bb5bd2d1
MD5 3e88f1a1f48cb2a3556fdac9de4e8ef9
SHA1 dd839cd4619e104298bb2d823f4678504f148622
SHA512 fe55272561838a1cc3ed5d4145c7e4c7a1418d3c1bfd92f5bc8dfa29b1f7e7417ab6e3635ed8f249277c0be3a24be09bfa4f3065c81390624b0a65fdcc3fde0f
SSDEEP 1536:vtW4y8UFRx6GbgCSUMH18htq5Hk9Uepxc6kRdps:1W4yKBHmhg5HSUep3
TLSH
T15F43092916F64B65E8728279EAB44327D0F87C46BC70421F0773CE592F938C1A67CB91
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	2.7.exe

Executes dropped EXE 3 IoCs

pid	Process
3824	wlrmdr.exe
3984	20hyet2g.exe
3384	ntsvcett.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WindowsUpdateSvc = "C:\\Users\\Admin\\AppData\\Roaming\\ntsvcett.exe"	20hyet2g.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1628	2.7.exe
1628	2.7.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3268	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3268	Explorer.EXE
Token: SeCreatePagefilePrivilege	3268	Explorer.EXE
Token: SeShutdownPrivilege	3768	RuntimeBroker.exe
Token: SeShutdownPrivilege	3768	RuntimeBroker.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2928	1628	2.7.exe	50
PID 1628 wrote to memory of 560	1628	2.7.exe	53
PID 1628 wrote to memory of 3268	1628	2.7.exe	56
PID 1628 wrote to memory of 3768	1628	2.7.exe	60
PID 1628 wrote to memory of 3468	1628	2.7.exe	62
PID 1628 wrote to memory of 4864	1628	2.7.exe	65
PID 3268 wrote to memory of 4444	3268	Explorer.EXE
PID 1628 wrote to memory of 3984	1628	2.7.exe	92
PID 3268 wrote to memory of 872	3268	Explorer.EXE

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2928

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3268
- C:\Users\Admin\AppData\Local\Temp\2.7.exe
  "C:\Users\Admin\AppData\Local\Temp\2.7.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Users\Admin\AppData\Local\Temp\20hyet2g.exe
    "C:\Users\Admin\AppData\Local\Temp\20hyet2g.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    PID:3984

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3768

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3468

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:4864

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
1⤵
- Executes dropped EXE
PID:3824

C:\Users\Admin\AppData\Roaming\ntsvcett.exe
C:\Users\Admin\AppData\Roaming\ntsvcett.exe
1⤵
- Executes dropped EXE
PID:3384

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

20hyet2g.exe

Path C:\Users\Admin\AppData\Local\Temp\20hyet2g.exe
Size 440KB
SHA256 3c85c4a7b98e6e056357c7382a1c204a18d5049d78d2adccfaea64eb30c9f5ca
MD5 5dc18659a070be29b96d701fbce757be
SHA1 22c430566777119d69be850ee95533b66261fe90
SHA512 0da18e61db84cae3973aa0a5b9b6c915624efe234484f55dd705ccbaab0cd22a35759ccc90498754859392404bcb83656cf7ae2274644035279787fd7a77606a
SSDEEP 12288:MIIvNw/88e4IJfFT0cOL6b80tYtNa0HJJ:jIrJO70tga0HL
TLSH
T16EA47D878754E4B7D1F36773F4B622401BBB7528B55218EC81BE818606E309D4B8EFA7
MD5 SHA1 SHA512 SSDEEP TLSH

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wlrmdr.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\wlrmdr.exe
Size 54KB
SHA256 1fd26ea847d2c3fe431322e42c54fb10024f06e61ce55aa14b162d95bb5bd2d1
MD5 3e88f1a1f48cb2a3556fdac9de4e8ef9
SHA1 dd839cd4619e104298bb2d823f4678504f148622
SHA512 fe55272561838a1cc3ed5d4145c7e4c7a1418d3c1bfd92f5bc8dfa29b1f7e7417ab6e3635ed8f249277c0be3a24be09bfa4f3065c81390624b0a65fdcc3fde0f
SSDEEP 1536:vtW4y8UFRx6GbgCSUMH18htq5Hk9Uepxc6kRdps:1W4yKBHmhg5HSUep3
TLSH
T15F43092916F64B65E8728279EAB44327D0F87C46BC70421F0773CE592F938C1A67CB91
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2928-3-0x000001E8D3790000-0x000001E8D3792000-memory.dmp

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memory/3268-17-0x0000000180000000-0x0000000180005000-memory.dmp

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memory/3268-22-0x0000000003060000-0x0000000003061000-memory.dmp

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memory/3268-47-0x0000000003020000-0x0000000003021000-memory.dmp

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memory/3984-38-0x0000000140000000-0x0000000140031000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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